Search for all of "Buildings", all of "Construction Workers", all of "Hoover Dam ariz And Nev -- Design And Construction"

View of the construction of the foundations of Hoover Dam on the floor of Black Canyon. Various pieces of machinery can be seen as well as a construction building. The view is taken from high above but several...

View from donwstream on the Arizona side of the Colorado River of concrete pouring construction on Hoover Dam. Construction workers are seen amid multiple concrete pouring forms and scaffolding. A suspended concrete pouring bucket is seen in the middle...

Aerial view of the Hoover Dam construction site. Construction workers are seen amid concrete pouring forms and other construction equipment. Temporary stairs are attached to the wall of Black Canyon, and a railroad bench used for transportation of concrete buckets...

A bridge stretches from one side of Black (not Boulder) Canyon to the other side, with the Colorado River flowing beneath. The background shows scaffolding against the mountainside. A building sits against the mountain at the far end of the...

View of construction of the Arizona power house at the dam site. Hoisting equipment, cables, trucks and construction workers can be seen. Various buildings and structures are pictured as well as roads and concrete pouring forms.

View of Hoover Dam and power house under construction. Buildings and structures, concrete pouring forms, cables, and a crane can be seen. Some construction workers and trucks are also pictured. Above the dam part of an intake...

General view of the construction of Hoover Dam, looking upstream. The power houses are being built in this phase. A cableway spans the canyon carrying a tram across. There are several buildings, construction workers, and trucks visible....

Close-up view of a power house under construction at Hoover Dam. Shows concrete pouring forms and the pouring arrangement. There is a construction building and a construction worker in the lower left corner.

View from the downstream cofferdam of the Hoover Dam construction site. Construction workers, temporary buildings, electric draglines, vehicles and other construction equipment are seen in the cofferdam. Framework rises from the tops of the power houses on both sides of...

View of construction on the Arizona power house. Wood and steel framework surround the site. Part of the dam face is seen in the upper left. Construction workers, equipment and temporary buildings are seen in the cofferdam between the Nevada...

Shows the reinforcing framework for the Arizona power house and the locations for the turbine rooms, front room galleries, and penstocks. Some buildings, trucks, tunnel openings, and construction workers are visible.

View of construction on roads around the completed Arizona spillway, looking downstream on the Colorado River in Black Canyon. Curbs and guard rails are being installed. A dragline, two dump trucks and a temporary building are seen near the spillway....

A construction worker stands in front of a fence above the Nevada spillway. Construction on one of the intake towers can be seen in the upper left. Concrete pouring forms, other construction equipment and temporary buildings can be seen in...

View from the downstream cofferdam of construction on the Arizona power house. Concrete pouring forms and steel framework stand on top of the power house foundation. The dam face and wall of Black Canyon can be seen in the background....

View of construction on the Nevada and Arizona power houses, taken from the valve house catwalk in the lower cofferdam. The dam face is seen in the background. Concrete pouring forms are visible on the power houses. Temporary buildings, construction...

Shows the construction of Hoover Dam. One of the portals of the diversion tunnels is visible. Dynamite blasting is taking place in the canyon and trucks and various construction buildings are visible on the cofferdam. Also shows some...

"First load of muck used in coffer dam [sic]. Looking at Arizona portals #3 & #4. Water now flowing thru these." (hand-written inscription on back of photo) Shows a dump truck dumping the muck and construction...

Shows construction at the lower portal of Hoover Dam. Part of the bridge is visible as are trucks, buildings, and construction workers. Part of the Colorado River is visible and also the wall of Black Canyon.

Shows the concrete pouring forms for the base of the dam. The upper cofferdam is in the background. Cableways, buildings, construction workers and trucks are visible. A railroad track runs along the side of the wall of Black Canyon.

Shows the head tower hoist house and permanent cableway. Cars and trucks are visible on the road across the dam as well as next to the hoist house. A transmission tower can be seen and construction workers are...

"Head tower hoist house and anchorage of permanent 150 ton cableway at Boulder Dam runs from upper end of hi[gh]mix gulch." (handwritten inscription on back of photo) Construction workers, trucks, and buildings are also visible.

Shows a box car being lowered from a cableway above the Hoover Dam site. The intake towers and the downstream face of the dam are partially visible as well as a construction worker and a small building jutting out...

This view, taken from the Nevada side of the canyon, shows the lower cofferdam being excavated. Trucks, buildings, , and construction roads are visible. The Colorado River can be seen below the site. There is a temporary...

A telephoto view of the Arizona spillway during the construction of Hoover Dam. Shows the bridge and control house. Trucks, various buildings, and some construcion workers are visible. Cables are overhead and construction roads snake up the...

An expansive view of the upstream face of Hoover Dam during construction. Various buildings and structures, workers, cars and equipment can be seen. Hoisting machinery and concrete pouring forms can be seen also.

Water pours from one of the outlets in the valve house on the Arizona side. Workers walk along a walkway by the Nevada power house or stand and look at the water. There is a mountain in the background.

Water streams form the outlet works of the Nevada valve house. Men stand near a wall by the Nevada power house and watch the water. The Arizona power house is also visible. There is a mountain in the background.

"Shows men placing dynamite to flood entrance blocks away from #3 and #4 Arizona side."(inscription on back of photo) The portals to the diversion tunnels are visible. The Colorado River is shown below the portals and buildings and trucks...

Handwritten inscription on back of photo: "View at upper portals showing narrowed channel just prior to diversion". Construction roads, equipment, and workers are visible. Some buildings and trucks are also in the picture.